Optical and Spectroscopic Follow-Up of the Deeper FIR Selected Sample
2004
We present the optical follow up observations of the deepest complete IRAS selected sample (Hacking et al. 1989) so far available, in the North Ecliptic Polar Region (NEPR). This is the first step in the multi-wavelength study of this sample which, thanks to our ISOCAM observations, provides a direct link between IRAS and ISOCAM surveys and the forthcoming deeper Spitzer cosmological surveys. The sample allows a direct investigation of the evolution of the global Spectral Energy Distribution (SED) of dusty galaxies up to a redshift of about 0.3, where the global star formation rate is known to evolve very fast. Here we present an analysis of the optical properties of this sample. These galaxies turn out to be disk like systems and the measured intensity ratios place them among the typical starburst class of objects.
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